LESSON: Numerical Expressions
Presentation
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Mathematics
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6th Grade
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Practice Problem
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Medium
+1
Standards-aligned
Enosha Chapman
Used 3+ times
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3 Slides • 5 Questions
1
Numerical & Algebraic Expressions
By Enosha Chapman
2
Order of Operations
GEMDAS
When solving numerical expressions, a specific order exists to solve each question successfully.
3
Multiple Choice
Consider the expression 15 +7×2
Which step should be completed first?
add 15 and 7
multiply 7 and 2
4
Multiple Choice
Consider the expression
8×7−(9+6)
add 9 and 6
subtract 7 from 9
multiply 8 and 7
subtract 9 from 7
5
Math Response
Solve the expression
3+42(6−2+7)
6
Numerical Expressions
Vocabulary
Many words mean the same thing, but similar words can mean different things. Words that you will see often in this unit will be:
SUM: the result of adding VARIABLE: a letter to represent an unknown variable
DIFFERENCE: the result of subtracting INTEGER: a whole number, either negative or positive, and zero
PRODUCT: the result of multiplying RATIONAL NUMBER: a number that can be written as a fraction
QUOTIENT: the result of dividing COEFFICIENT: the number in multiple by a variable, always in front.
SQUARED: the result of multiplying the same number twice BASE: the factor being that is multiplying itself within an exponent
CUBED: the result of multiplying the same number 3 times. EXPONENT: the number on the top right corner, the many times to multiply
7
Match
Match the Vocabulary Word with its definition
SQUARED
PRODUCT
RATIONAL
NUMBER
SUM
VARIABLE
multiplying a number by itself twice
the result of multiplying
a number that written as a fraction
the result of adding
a letter that is an unknown number
multiplying a number by itself twice
the result of multiplying
a number that written as a fraction
the result of adding
a letter that is an unknown number
8
Match
Match the vocabulary words with its definition.
CUBED
DIFFERENCE
COEFFICIENT
INTEGER
EXPONENT
a number multiplied by itself 3 times
the result of subtracting
a number in front of the variable
a positive or negative number
the many times to multiply a number
a number multiplied by itself 3 times
the result of subtracting
a number in front of the variable
a positive or negative number
the many times to multiply a number
Numerical & Algebraic Expressions
By Enosha Chapman
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